From nobody Mon Feb 9 04:26:29 2026 Received: from meesny.iki.fi (meesny.iki.fi [195.140.195.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3A9630276F; Wed, 15 Oct 2025 19:47:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=195.140.195.201 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760557650; cv=pass; b=URr+oj5cGMYLkER4k2hAw/1WdpFLoYPRN5U1p7n8MNt40Hnjl7ZWWV1OP8AGB8QJ7uVY7WwKtw/+JjdWb6ntev+Ls1uGIWv26BZg6gJIVzsjfimhRl3ls0klw3FX3Fmn2lVAylTy9hz8g7Q+gf3wdAMUYM4D/RLk6HcVx6vZwLc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760557650; c=relaxed/simple; bh=pCgJHmwl08f6J8nRC3dweSFLnUJgjNGTQ6VqthcuRg0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FqC8CfMNtm8B4kSiSTfv68XxEM5V9uB12TL64NYHgMvnIOYl7CO2LhDaAyEnbmHTI47djNbCrEnnBItxeUwuM0ePg8kIWVVJRc4WRsCfc7w4tVeo46N+3FjO7AlLcqZINh+FFXWeEEBvh3wFFEHUNGkE0xnzxc7pBtNqc9NsXto= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iki.fi; spf=pass smtp.mailfrom=iki.fi; dkim=pass (1024-bit key) header.d=iki.fi header.i=@iki.fi header.b=putED+MK; arc=pass smtp.client-ip=195.140.195.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iki.fi Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iki.fi Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=iki.fi header.i=@iki.fi header.b="putED+MK" Received: from monolith.lan (unknown [IPv6:2a0c:f040:0:2790::a03d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pav) by meesny.iki.fi (Postfix) with ESMTPSA id 4cn1ng2mxkzyQw; Wed, 15 Oct 2025 22:47:19 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iki.fi; s=meesny; t=1760557639; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=0GXc8Cz/craa2/0XYF5Ca9jDzKu+plgHykELScRn5oQ=; b=putED+MKKhcPnzI3kI8Sn205uTlb9BDVUS9KdSNkE/Lut3MinQZ7AAdtub/mS1V0f5ZKdb 1MAeAyTZrj0HvnbmmrPFNWe50X9iV7x70bV7bX9LkUNOdhi1lOF9UdMlxIdLZ5FzXUUoSu ZYlls/sSYfwo9AcMOyeqU+DkltDJ9tc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=iki.fi; s=meesny; t=1760557639; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=0GXc8Cz/craa2/0XYF5Ca9jDzKu+plgHykELScRn5oQ=; b=pvigfaDjqNzhtlSMx+anaT/k0xVquZ0guSrx3SZOB6tScBO28BAb2tblInLk6CJROnGG+F laqX2dnQL+bJ5Sps55Q8cggkmedlM1OOeNsy+Ve24l522iPuR7DZFCR9Y41VaDmhPfcKkO eKoW/WCEvBAyI+gEkgJbrpcbKlCqxwU= ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=pav smtp.mailfrom=pav@iki.fi ARC-Seal: i=1; s=meesny; d=iki.fi; t=1760557639; a=rsa-sha256; cv=none; b=TKCNo/uK7/jy0yeDpb/ldGGfxL/npt0xH9BCkwHt1/BLOT0gfLNby+4ux/uuCZNqNFSx23 AHiLYwDO7cWkQJX++YSbUJtT+DJv4idiMumPdnU6OlBY1JEvkkmUzVCTcJZOt1H0JqoG/i bu0xBX3auCXbxUeTNkHbJtB3P/AbLYg= From: Pauli Virtanen To: linux-sound@vger.kernel.org Cc: Pauli Virtanen , perex@perex.cz, tiwai@suse.com, linux-kernel@vger.kernel.org Subject: [PATCH] ALSA: usb-audio: add volume quirks for MS LifeChat LX-3000 Date: Wed, 15 Oct 2025 22:47:10 +0300 Message-ID: X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" ID 045e:070f Microsoft Corp. LifeChat LX-3000 Headset has muted minimum Speaker Playback Volume, and 4 amixer steps were observed to produce 1 actual volume step. Apply min_mute quirk and correct res=3D48 -> 4*48. Tested with the device. Signed-off-by: Pauli Virtanen --- sound/usb/mixer.c | 8 ++++++++ sound/usb/quirks.c | 2 ++ 2 files changed, 10 insertions(+) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ae412e651faf..6f00e0d52382 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1147,6 +1147,14 @@ static void volume_control_quirks(struct usb_mixer_e= lem_info *cval, } break; =20 + case USB_ID(0x045e, 0x070f): /* MS LifeChat LX-3000 Headset */ + if (!strcmp(kctl->id.name, "Speaker Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MS LifeChat LX-3000\n"); + cval->res =3D 192; + } + break; + case USB_ID(0x0471, 0x0101): case USB_ID(0x0471, 0x0104): case USB_ID(0x0471, 0x0105): diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 43793a5c3f51..dac469a8d07a 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2153,6 +2153,8 @@ static const struct usb_audio_quirk_flags_table quirk= _flags_table[] =3D { DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */ QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_DISABLE_AUTOSUSPEND), + DEVICE_FLG(0x045e, 0x070f, /* MS LifeChat LX-3000 Headset */ + QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), DEVICE_FLG(0x046d, 0x0807, /* Logitech Webcam C500 */ QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), DEVICE_FLG(0x046d, 0x0808, /* Logitech Webcam C600 */ --=20 2.51.0